Jean-Thomas "Tomi" Ungerer (28 November 1931 – 9 February 2019) was an Alsatian artist and a writer. He published over 140 books ranging from children's books to adult works and from the fantastic to the autobiographical. He was known for sharp social satire and witty aphorisms. Ungerer is also famous as a cartoonist and designer of political posters and film posters. Ungerer received the international Hans Christian Andersen Medal in 1998 for his "lasting contribution" as a children's illustrator.
He is also known as טומי אונגרר, トミー・ウンゲラー, Jean Thomas Ungerer and Jean-Thomas "Tomi" Ungerer.